No Anonymous Content
Every guide on this site carries a named author and a named reviewer. You can see both names in the byline at the top of each article.
If something on a page is wrong, the person named on it is the person who fixes it. That is the whole point of publishing names.
Meet the Team
Click a profile to see that person's role, what they work on, and the articles they have written or reviewed.

Tariq G.
Lead Developer & Designer
Builds and maintains the browser calculator, the site and the tools we test with.

M. Shaban Ali
Web Developer
Builds the interface, the dark theme and the mobile layout you are reading on.

Professor Shoaib G.
Mathematician
Checks every maths step in our tutorials and reviews the calculator methods we publish.

Muneeb S.
Education Advisor
Keeps our exam-policy pages accurate and writes the study-skills guides.
How We Check Our Own Work
Two people touch every tutorial before it goes live. One writes it, one reviews it line by line.
- Author โ writes the page, runs the steps, adds the screenshots and picks the sources.
- Reviewer โ repeats the steps, checks the maths and flags anything that could confuse a student.
- Last updated โ every article shows the date it was last checked, not the date it was first written.
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We list only qualifications and profiles we can actually verify. Nothing on these pages is invented, and we correct mistakes in public โ see the corrections log.
Start Using the Calculator
No account needed. It opens in your browser and works on a phone, tablet or laptop.
Launch Calculator โ